Emap's Key 103 Manchester won the 1m-plus listeners station of the year category, while GWR Bristol and Silk FM respectively won the 300,000-1m listeners, and under 300,000 listeners categories.
The national station of the year category was won by Radio 4, which judges said was at "top of its game", delivering a "consistently high quality product".
'The Chris Moyles Show' edged out 'Capital Breakfast with Johnny Vaughan' for breakfast show of the year while Russell Brand won entertainer of the year for his Radio 2 show.
Commercial radio's other wins included the community award, which went to Capital 95.8 for its 'Lights Out London' energy saving initiative. Best competition went to Key 103 for 'Sell Me The Answer'.